Whether people choose to peruse news — and where — may explain what role science plays in shaping public opinion on global warming.

Featured blog: When it comes to attitudes about climate change, the chasm between Democrats and Republicans is wide. Political-polling analysts speculate that a McCain win in November might do more than an Obama victory to win over the minds of climate-change skeptics.

Big action and big bucks are needed to deal with the United States' energy problems, research leaders argued today.

An abnormally hot year can significantly suppress growth in grasslands, a stifling effect that lingers well into the next year even if temperatures return to normal. It can also hinder how well the grasslands absorb carbon dioxide from the atmosphere.

Featured blog: John McCain weighs in on science and technology issues with long-awaited written responses to the Science Debate 2008.

Climate simulations are underestimating how often intense rainstorms occur at warm temperatures, a hint that episodes of extremely strong precipitation and flooding will strike more often as the global average temperature rises.

Lawmakers are looking for an answer on how to lower the price of gasoline: That's the wrong question.

Hydrogen fuel cells can eventually replace the combustion engine, but meanwhile a wider range of technologies will be needed to reduce carbon emissions.